Given an image containing a mirror symmetrical object, such as a car or a butterfly, I want to find the symmetry axis: Due to perspective distortions the two halves of a symmetrical object will …

Jul 11, 2014 · Hi there, I am writing a project in C++ using opencv to implement an algorithm from a paper and one of the first step that I have to do is to take an image in input and find global …

Sep 13, 2018 · To quickly detect circles with very large diameter variation, you can use the radial symmetry transform (as they are radially symmetric) (Loy&Zelinsky 2002). This is a very …

Feb 8, 2019 · I was able to get the region of interest and find the center coordinates for my objects. The part I am stuck on is getting the center coordinates relative to the region of …

Jun 5, 2015 · Hello, I want to find largest axis aligned rectangle inside a contour? I've found the contour (findContours) and approximated it (approxPolyDP). Now I need to find biggest axis …

Feb 1, 2019 · from mpl_toolkits.mplot3d import Axes3D def plot_pose3_on_axes(axes, gRp, origin, axis_length=0.1): """Plot a 3D pose on given axis 'axes' with given 'axis_length'.""" # get …

Apr 13, 2020 · Drawing checkerboard's reference frame does not yield correct results (solvePnp+projectPoints)

Oct 29, 2019 · Using this synthetic data, we should have an optical axis that is perfectly aligned with the marker/image center. I did expect a tvec with X/Y-coordinates close to zero. However, …

Nov 9, 2017 · I am using aruco markers to get the location of a robot. After getting the pose from the estimatePoseSingleMarkers i obtain the rvecs and tvecs for a given marker. From this how …

Dec 7, 2016 · I'm trying to use cv reduce to get the projection of an image onto the x and y axis. I used: x_sum = cv2.reduce (img, 0, cv2.cv.CV_REDUCE_SUM, cv2.CV_32S) I get this error: …